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When should I use mmap for file access?

POSIX environments provide at least two ways of accessing files. There's the standard system calls open() , read() , write() , and friends, but there's also the option of using mmap() to map the file into virtual memory. ...
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How to develop Desktop Apps using HTML/CSS/JavaScript? [closed]

... a coworker of mine recently left for Spotify and said he will be working mostly in JavaScript for the Spotify Desktop app. He said it uses "Chrome frame" and everything inside is done like a web app (HTML/JS/CSS). ...
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Convert blob to base64

...(data) { if(data && data.Success) {}}, error: function(a,b,c){alert(c);} }); }
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what is Promotional and Feature graphic in Android Market/Play Store?

..."The promo graphic is used for promotions on older versions of the Android OS (earlier than 4.0)." (Adding info here as it is the top answer) – MZB May 24 '17 at 15:35 ...
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Vagrant error: NFS is reporting that your exports file is invalid

...p: Vagrant 1.1.2 VirtualBox 4.2.10 I was having the same issue on Mac (OS X 10.9 (Mavericks)), but rolling back to these versions seemed to fix it for me. share | improve this answer |...
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How to execute PHP code from the command line?

...e command line: -r <code> Run PHP <code> without using script tags <?..?> -R <code> Run PHP <code> for every input line You can use php's -r switch as such: php -r 'echo function_exists("foo") ? "yes" : "no";' The above PHP command above should outpu...
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PostgreSQL: Is it better to use multiple databases with one schema each, or one database with multip

... A PostgreSQL "schema" is roughly the same as a MySQL "database". Having many databases on a PostgreSQL installation can get problematic; having many schemas will work with no trouble. So you definitely want to go with one databa...
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Delete first character of a string in Javascript

... of a string using substring: var s1 = "foobar"; var s2 = s1.substring(1); alert(s2); // shows "oobar" To remove all 0's at the start of the string: var s = "0000test"; while(s.charAt(0) === '0') { s = s.substring(1); } s...
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SQlite Getting nearest locations (with latitude and longitude)

... Check out Chris Veness great webpage if you are looking for a Javascript implementation of this concept above. movable-type.co.uk/scripts/latlong.html – barneymc Sep 21 '14 at 17:20 ...
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Is it safe to remove selected keys from map within a range loop?

...stom type that implements the func (a T) expired() bool interface. For purposes of this example, you could try: m := make(map[int]int) /* populate m here somehow */ for key := range (m) { if key % 2 == 0 { /* this is just some condition, such as calling expired */ delete(m, key); } } ...